The D.C. Circuit affirmed in part and reversed in part a lower court's dismissal of a conservation group's suit to block the Department of Homeland Security (DHS) from constructing a border wall near the National Butterfly Center in southern Texas. The group argued that the Department's presence on ...

A district court held that William Perry Pendley was unlawfully serving as the acting director of BLM. The governor of Montana and the Montana Department of Natural Resources and Conservation argued that Pendley was unlawfully serving as the acting director in violation of the Appointments Clause, t...

A district court denied the U.S. government summary judgment in a lawsuit concerning California's cap-and-trade agreement with Quebec. The government argued the agreement was conflict preempted by the foreign affairs doctrine because it created an obstacle to the effectuation of the Global Climate P...